text: /*
   * Copyright (C) 2015-2018 Alibaba Group Holding Limited
   */
  
  #include <hal/hal.h>
  
  #ifdef HAL_UART_MODULE_ENABLED
  
  int32_t hal_uart_init(uart_dev_t *uart)
  {
  
  }
  
  int32_t hal_uart_send(uart_dev_t *uart, const void *data, uint32_t size, uint32_t timeout)
  {
  
  }
  
  int32_t hal_uart_recv_II(uart_dev_t *uart, void *data, uint32_t expect_size,
                           uint32_t *recv_size, uint32_t timeout)
  {
  
  }
  
  int32_t hal_uart_finalize(uart_dev_t *uart)
  {
  
  }
  
  #endif /* HAL_UART_MODULE_ENABLED */
  
  